import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './../components/Login.vue'
import Home from './../components/Home.vue'
import Welcome from './../components/Welcome.vue'
import Users from './../components/user/Users.vue'


Vue.use(VueRouter)

const routes = [
{
  path: '/',
  redirect: '/login'
},
{
  path: '/login',
  component: Login
},
{
  path: '/home',
  component: Home,
  redirect: '/welcome',
  children: [
  {
    path: '/welcome',
    component: Welcome
  }, {
    path: '/users',
    component: Users
  }]
}]


const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})


router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next();
})

export default router